• DocumentCode
    828848
  • Title

    Microstrip directional coupler with nearly ideal TEM coupler performance

  • Author

    Wang, S.-M. ; Hsieh, M.-Y. ; Chiang, C.-H. ; Chang, C.-Y.

  • Author_Institution
    Dept. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
  • Volume
    41
  • Issue
    11
  • fYear
    2005
  • fDate
    5/26/2005 12:00:00 AM
  • Firstpage
    651
  • Lastpage
    653
  • Abstract
    A meandered parallel coupled-line structure is proposed to achieve high directivity within a wide bandwidth. By properly increasing the meandered parallel coupled-line sections, the high-directivity bandwidth becomes much wider. An example coupler is fabricated to verify the theory. More than 50 dB of isolation is achieved over a bandwidth of zero to twice centre frequency.
  • Keywords
    microstrip directional couplers; transmission electron microscopy; TEM coupler performance; centre frequency; high-directivity bandwidth; microstrip directional coupler; parallel coupled-line structure;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:20050681
  • Filename
    1437879